About the Role We are looking for a seasoned Senior System Administrator to join our IT team. This role is essential to maintaining the reliability, security, and performance of our on-premises infrastructure and enterprise systems. You will help lead efforts to optimize system operations, support business continuity, and implement best practices in system administration. Key Responsibilities • Administer and maintain Windows and Linux servers in a primarily on-premises environment. • Monitor system performance, troubleshoot issues, and ensure high availability. • Manage backups, disaster recovery plans, and system security protocols. • Lead system upgrades, patching, and configuration changes. • Oversee the configuration, maintenance, and monitoring of resort security camera systems. • Backfill and support network security systems, including firewalls, intrusion detection/prevention, and endpoint protection. • Support corporate cell phone fixes and new phone deployments. • Provide support for multiple Point of Sale systems within the resort. • Support electronic door and locking systems. • Collaborate with IT and business teams to support application and infrastructure needs. • Maintain documentation of system configurations and procedures. • Provide mentorship and technical guidance to junior team members. Required Qualifications • 5+ years of experience in system administration or IT infrastructure roles. • Strong experience with Windows Workstation & Server and environments. • Familiarity with enterprise storage systems, networking, and firewalls. • Experience managing IP-based security camera systems and video management software. • Experience supporting network security systems and tools. • Proficiency in scripting (e.g., PowerShell, Bash) for automation and maintenance tasks. • Solid understanding of security best practices and system hardening. • Excellent troubleshooting and communication skills. Preferred Qualifications • Industry certifications (e.g., Microsoft, CompTIA, Cisco). • Experience with enterprise monitoring tools and endpoint management platforms. • Exposure to Active Directory, DNS, DHCP, and Group Policy management. • 4-year degree in computer science or a related field.